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Even disconnected computers may face cyber threats

Special to SEGAZINE

If your computer is infected with a virus or other forms of malware, disconnecting the machine from the Internet is one of the first steps security experts say you should take. But, someday, even physically separating your laptop from a network may not be enough to protect it from cyber evil-doers.

German computer scientists have come up with a prototype for building “covert channels” between computers using the machines’ speakers and microphones, potentially defeating high-security measures that rely on placing a so-called “air gap” between computers.

via GPB

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